Tradition and innovation: on the tension between ancient and modern ways in the study of politics / Heinz Eulau -- The condition of American political science / David Easton -- The impact on political science of the revolution in the behavioral sciences / David B. Truman -- The behavioral approach in political science: ephitaph for a monument to a successful protest / Robert H. Dahl -- What is political philosophy? / Leo Strauss -- Politics and pseudopolitics: a critical evaluation of some behavioral literature / Christian Bay -- Behavioristic tendencies in American political science / Peter H. Merkl.